Posted On : 17/06/2020||11:29:59pm
Posted By :Admin
1.various number systems
natural numbers :-numbers 1,2,3,…….used for counting or counting numbers.
zero:-0
whole numbers:-0,1,2,3,……………….
Negative integers:- -1,-2,-3,-4,……….
Integers:- ……….-3,-2,-1,0,1,2,3……..
fractions:- numbers in the form a/b(b is not equal to 0 or1).
Real numbers:-numbers which can represented on areal line.
Imaginary number:-Pi;where p is real number and i=square root of 1
complex numbers:-numbers in the form a+bi where a and b are reals and i=square root of 1r:-.
prime numbers:- The number which can be divided evenly only by 1 or itself. And it must be a whole number greater than 1.
composite numbers:-A non zero integer which is either a unit nor a prime is called a composite number.
Even numbers:-0,+/-2,+/-4,……..
Odd numbers:-+/-1,+/-3,+/-5,…….
Natural numbers:-1,2,3,4,………….